Size guide
| T-SHIRT UNISEX HEAVY COTTON TEE | ||||||
|---|---|---|---|---|---|---|
| Measurements | S | M | L | XL | 2XL | 3XL |
| Width, in | 18.00 | 20.00 | 22.00 | 24.00 | 26.00 | 28.00 |
| Length, in | 28.00 | 29.00 | 30.00 | 31.00 | 32.00 | 33.00 |
| Sleeve length | 15.10 | 16.50 | 18.00 | 19.50 | 21.00 | 22.40 |
| Tolerance | 1.50 | 1.50 | 1.50 | 1.50 | 1.50 | 1.50 |
| UNISEX HOODIE | ||||||
|---|---|---|---|---|---|---|
| Measurements | S | M | L | XL | 2XL | 3XL |
| Width, in | 20.08 | 22.05 | 24.02 | 25.98 | 27.99 | 29.92 |
| Length, in | 27.17 | 27.95 | 29.13 | 29.92 | 31.10 | 31.89 |
| Sleeve length | 33.50 | 34.50 | 35.50 | 36.50 | 37.50 | 38.50 |
| Tolerance | 1.50 | 1.50 | 1.50 | 1.50 | 1.50 | 1.50 |
| UNISEX CREWNECK SWEATSHIRT | ||||||
|---|---|---|---|---|---|---|
| Measurements | S | M | L | XL | 2XL | 3XL |
| Width, in | 20.00 | 22.01 | 24.00 | 26.00 | 28.00 | 30.00 |
| Length, in | 27.00 | 28.00 | 29.00 | 30.00 | 31.00 | 32.00 |
| Sleeve length | 33.50 | 34.50 | 35.50 | 36.50 | 37.50 | 38.50 |
| Tolerance | 1.50 | 1.50 | 1.50 | 1.50 | 1.50 | 1.50 |
| UNISEX JERSEY TANK TOP | |||||
|---|---|---|---|---|---|
| Measurements | S | M | L | XL | 2XL |
| Width, in | 18.23 | 20.24 | 22.24 | 24.25 | 26.22 |
| Length, in | 26.97 | 27.99 | 28.98 | 30.00 | 30.98 |
| Arm opening | 10.12 | 10.75 | 11.63 | 12.50 | 13.37 |
| Tolerance | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 |
Join the Movement: The Ultimate Flat Mars Society Retro Graphic T-Shirt for Cosmic Skeptics
Satire is the highest form of flattery, and the Flat Mars Society Retro Graphic T-Shirt takes this concept to a whole new planetary level. In an era where internet culture and deep-space exploration collide, this design stands as a badge of honor for those who appreciate high-level meta-humor. It isn’t just a garment; it’s a bold conversation starter that pokes fun at the fringe theories of our own world by projecting them onto the Red Planet. Whether you’re a die-hard astronomy fan or someone who just loves a good “what-if” scenario, this tee captures the essence of retro-futurism and satirical wit. It represents a bridge between the golden age of science fiction and modern-day meme culture, making it a must-have for anyone who doesn’t take the universe—or themselves—too seriously. Wearing this design is a nod to the fact that while we strive for the stars, we can still laugh at the absurdities we find along the way.

When you slip into this funny space novelty tee, you aren’t just wearing a piece of clothing; you’re embracing a specific retro sci-fi aesthetic that demands attention. The design philosophy behind this piece is rooted in the “lived-in” feel of vintage apparel, reminiscent of 1970s planetarium gift shops and late-night science fiction marathons. Crafted from premium cotton, the texture is incredibly soft against the skin, offering a breathable experience whether you’re navigating a crowded convention floor or relaxing at a local coffee shop. This soft blend ensures that the shirt maintains its structural integrity and comfort through countless washes, much like the enduring mysteries of the cosmos. It is engineered for the thinker, the dreamer, and the skeptic who finds joy in the absurd. The fit is meticulously tailored to provide a relaxed yet modern silhouette, ensuring that your sharp sense of humor is perfectly matched by your effortless sense of style. It feels substantial yet lightweight, making it an ideal choice for year-round wear in any orbit.
Product Highlights:
- Satirical Masterpiece: A brilliant take on conspiracy culture that serves as the perfect icebreaker for social gatherings and science events.
- Unmatched Comfort: Made with premium cotton and a soft blend finish, providing a cozy feel that lasts from dawn until dusk.
- Vintage Appeal: Features a weathered, retro-inspired design that pairs perfectly with denim, jackets, or casual lounge gear.
- High-Quality Construction: Durable stitching and a classic fit ensure this tee remains a staple in your wardrobe for light-years to come.
In a world full of serious debates and complex theories, sometimes the best response is a healthy dose of cosmic humor. This shirt is the quintessential astronomy enthusiast gift, offering a unique blend of intellectual wit and casual comfort that is hard to find in standard retail. It appeals to the rebellious spirit of those who love to question the status quo while celebrating the incredible journey of space exploration. Don’t settle for a mundane outfit when you can represent a society that definitely doesn’t exist—but definitely should. Whether you are buying it for a friend who loves telescopes or for yourself to wear to the next rocket launch viewing party, this piece is guaranteed to bring a smile to anyone with a passion for the stars. Elevate your everyday wardrobe and make a statement that is truly out of this world. Secure your Flat Mars Society Retro Graphic T-Shirt today and let your style prove that the truth is often much funnier than fiction.
About The Product
About The Product
The Gildan 5000 heavy cotton tee is a dependable classic made for everyday wear and custom printing. Its 100% cotton fabric is tightly knit to give designs sharper detail and long-lasting color. The seamless body eliminates side seams for a smoother fit.
Key Features
Stabilizes back seams to prevent stretching.
Tubular knit reduces fabric waste & looks better.
Highly elastic collar retains shape without seams.
Solid colors: 100% Cotton. Heathers: Poly blends.
Care Instructions
- Machine wash: Cold (max 30C or 90F)
- Tumble dry: Low heat
- Do not iron; Do not dryclean
Origin & Safety
- Made in Nicaragua
- Meets US/EU safety standards
- Unisex Sizing (Adult)
About The Product
The Gildan Heavy Blend™ hoodie, made from a soft cotton-poly blend, provides warmth and durability. Its unisex fit offers everyday versatility, with ribbed cuffs and hem to keep the shape intact. A large front pocket adds convenience, while the double-lined hood with matching drawcord gives it a clean, cohesive look. Trusted for custom printing and casual wear.
Key Features
Strong, smooth fabric perfect for printing. Heather Sport colors are 40/60 blend.
Adjustable double-lined hood with self-colored woven cord.
Kangaroo pouch pocket always keeps your hands warm.
Knitted in one piece using tubular knit, reducing fabric waste.
Care Instructions
- Machine wash: Cold (max 30C or 90F)
- Tumble dry: Medium heat
- Iron, steam or dry: Low heat
- Do not dryclean
Origin & Compliance
- Made in Bangladesh
- Meets safety requirements (flammability, lead, etc.)
- High quality DTG & DTF printing methods
About The Product
The Gildan 18000 sweatshirt is a unisex heavy blend crewneck made from a 50/50 cotton-polyester fabric, combining softness with lasting durability. Its smooth surface supports crisp, vibrant prints. The ribbed-knit collar and reinforced cuffs help it keep its shape over time. A seamless body design reduces irritation and adds to overall comfort.
– The White color variant may appear off-white due to fabric properties.
– Subtle orange hue shifts with lighting in the Orange color variant.
Key Features
Heavy blend fabric combines softness with durability.
Highly elastic collar helps retain shape, with seam.
Tubular knit reduces fabric waste & makes garment more attractive.
Helps sleeves stay in place and maintain shape.
Care Instructions
- Machine wash: Cold (max 30C or 90F)
- Tumble dry: Low heat
- Do not iron; Do not dryclean
- Bleach as needed (non-chlorine)
Origin & Compliance
- Made in Nicaragua
- Meets safety requirements (flammability, lead, etc.)
- Embroidery & DTG printing friendly
About The Product
This must-have unisex jersey tank top fits like a well-loved favorite. High quality print makes it an ultimate statement shirt for years to come. This item has side seams to provide structural support. All bindings are the same fabric as the rest of the tank. Depending on the color, cotton, polyester, or rayon can appear.
Key Features
Located along the sides, they help hold the garment’s shape longer and give structural support.
Bindings are made from the same fabric as the body of the garment for a polished look.
Solid colors: 100% Cotton. Heathers: 52/48 blend. Tri-blends: 50% Poly, 25% Cotton, 25% Rayon.
Meets flammability requirements. Safe for adults.
- Machine wash: Warm (max 40C or 105F)
- Tumble dry: Medium heat
- Iron, steam or dry: Medium heat
- Do not dryclean
- Made in Nicaragua
- Adult Sizing
- High quality print surface

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